<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<style type="text/css">
   #b1{
     border:2px solid;
     height:340px;
     width:500px;
     background-color: rgba(94,94,94,0.8);
     border-radius:15px;
}

input{
margin-bottom: 15px;
width: 180px;
height:28px;
font-size: 18px;
border: 1px;
border-radius: 15px; 

}
body{
 background: url("images/imas.jpg");
}

</style>
<body text="blue" style="text-align: center;padding-top:200px;padding-left: 490px; "bgcolor="green">
<body>

	<div id="b1">
	<center>
	<h2><b>Login</b></h2>
		<form action="login" method="post">
			<table>
				<tr>
					<td>用户名:</td>
					<td><input type="text" name="username" /></td>
				</tr>
				<tr>
					<td>密&nbsp;&nbsp;码:</td>
					<td><input type="text" name="password" /></td>
				</tr>
				<tr>
					<td><input type="submit" value="登陆" /></td>
					<td><a href="reg.html"><input type="button" value="注册" /></a></td>
				</tr>
			</table>
		</form>
		</center>
	</div>
</body>
</html>